Felipe Leme | 1cdf5fb | 2017-11-22 15:44:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.service.autofill; |
| 18 | |
| 19 | import static android.view.autofill.Helper.sDebug; |
| 20 | |
| 21 | import android.annotation.NonNull; |
| 22 | import android.os.Parcel; |
| 23 | import android.os.Parcelable; |
| 24 | |
| 25 | import com.android.internal.util.Preconditions; |
| 26 | |
| 27 | /** |
| 28 | * Validator used to implement a {@code NOT} logical operation. |
| 29 | * |
| 30 | * @hide |
| 31 | */ |
| 32 | final class NegationValidator extends InternalValidator { |
| 33 | @NonNull private final InternalValidator mValidator; |
| 34 | |
| 35 | NegationValidator(@NonNull InternalValidator validator) { |
| 36 | mValidator = Preconditions.checkNotNull(validator); |
| 37 | } |
| 38 | |
| 39 | @Override |
| 40 | public boolean isValid(@NonNull ValueFinder finder) { |
| 41 | return !mValidator.isValid(finder); |
| 42 | } |
| 43 | |
| 44 | ///////////////////////////////////// |
| 45 | // Object "contract" methods. // |
| 46 | ///////////////////////////////////// |
| 47 | @Override |
| 48 | public String toString() { |
| 49 | if (!sDebug) return super.toString(); |
| 50 | |
| 51 | return "NegationValidator: [validator=" + mValidator + "]"; |
| 52 | } |
| 53 | |
| 54 | ///////////////////////////////////// |
| 55 | // Parcelable "contract" methods. // |
| 56 | ///////////////////////////////////// |
| 57 | @Override |
| 58 | public int describeContents() { |
| 59 | return 0; |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public void writeToParcel(Parcel dest, int flags) { |
| 64 | dest.writeParcelable(mValidator, flags); |
| 65 | } |
| 66 | |
| 67 | public static final Parcelable.Creator<NegationValidator> CREATOR = |
| 68 | new Parcelable.Creator<NegationValidator>() { |
| 69 | @Override |
| 70 | public NegationValidator createFromParcel(Parcel parcel) { |
| 71 | return new NegationValidator(parcel.readParcelable(null)); |
| 72 | } |
| 73 | |
| 74 | @Override |
| 75 | public NegationValidator[] newArray(int size) { |
| 76 | return new NegationValidator[size]; |
| 77 | } |
| 78 | }; |
| 79 | } |